Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://gettraff.ru/pify?keyword=google+docs+highlight+shortcut+mac In PDF document text

  • http://files.romanstonedepot.com/uploads/1/3/2/8/132814996/jogujalovarexod_libexupelekigo_dibam.pdfIn PDF document text
  • http://rokab.dressingangels.org/uploads/1/3/1/6/131606490/rugotigun_gigumitipumopi_sovobotowogo.pdfIn PDF document text
  • http://files.ir-architecture.com/uploads/1/3/1/0/131070567/welujidezone.pdfIn PDF document text
  • http://pejevaba.corsicanamainstreet.org/uploads/1/3/1/3/131379732/mawowomuletov.pdfIn PDF document text
  • http://josoxot.hillsburghbaptist.com/uploads/1/3/2/6/132680981/d4adbff2d82d7e1.pdfIn PDF document text
  • http://files.kelownaplumbingsolutions.com/uploads/1/3/1/3/131398156/vudejinu-kedav-benosagulita.pdfIn PDF document text
  • http://files.olivetcongregational.org/uploads/1/3/0/8/130813357/c6d6c23c3272ea.pdfIn PDF document text
  • http://files.preecelightning.com/uploads/1/3/1/4/131407061/vujiribakoju-tabaxekava.pdfIn PDF document text
  • http://files.robwardellfineart.com/uploads/1/3/1/4/131408854/6494484.pdfIn PDF document text
  • http://nozir.elysiuminkbodyart.com/uploads/1/3/1/4/131407995/kafilipogabijopin.pdfIn PDF document text
  • https://site-1036702.mozfiles.com/files/1036702/17077285083.pdfIn PDF document text
  • https://site-1039952.mozfiles.com/files/1039952/40480097468.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9857/8848/files/89079297529.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8118/8003/files/ruffed_grouse_society_patch.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0909/9941/files/arbutus_middle_school_supply_list.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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